21167741930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{124516129}}^1$

素因数の和:124516153

約数の個数: 16

約数和(自身を含む): 40343226120

約数和(自身を除く): 19175484190

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 124516129, 249032258, 622580645, 1245161290, 2116774193, 4233548386, 10583870965, 21167741930]

約数ペア:

[(1, 21167741930), (2, 10583870965), (5, 4233548386), (10, 2116774193), (17, 1245161290), (34, 622580645), (85, 249032258), (170, 124516129)]